{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "OciBest (TM) ( 10 . 0 - 100 . 0 micro g / mL ) did not show structural chromosomal aberrations or increase in MN induction , with and without S9 , at the tested dose range in both 4 - h and 18 - h exposure cell cultures ."}
{"Chemical": []}